21022029

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:746

約数の個数: 36

約数和(自身を含む): 35861436

約数和(自身を除く): 14839407

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 653, 657, 1533, 1959, 3577, 4571, 4599, 5877, 10731, 13713, 31997, 32193, 41139, 47669, 95991, 143007, 287973, 333683, 429021, 1001049, 2335781, 3003147, 7007343, 21022029]

約数ペア:

[(1, 21022029), (3, 7007343), (7, 3003147), (9, 2335781), (21, 1001049), (49, 429021), (63, 333683), (73, 287973), (147, 143007), (219, 95991), (441, 47669), (511, 41139), (653, 32193), (657, 31997), (1533, 13713), (1959, 10731), (3577, 5877), (4571, 4599)]